5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1.7 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:S/C:N/I:N/A:P
0.0004 Low
EPSS
Percentile
5.8%
Linux is vulnerable to Denial Of Service (DoS). The vulnerability exists in the is_mergeable_anon_vma()
function of rmap.c
due to a use-after-free related to leaf anon_vma
double reuse which allows an attacker to cause an application crash by providing malicious input.
git://git.launchpad.net/ubuntu-cve-tracker/tree/active/CVE-2022-42703
bugs.chromium.org/p/project-zero/issues/detail?id=2351
bugzilla.redhat.com/show_bug.cgi?id=CVE-2022-42703
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.7
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2555283eb40df89945557273121e9393ef9b542b
github.com/torvalds/linux/commit/2555283eb40df89945557273121e9393ef9b542b
googleprojectzero.blogspot.com/2022/12/exploiting-CVE-2022-42703-bringing-back-the-stack-attack.html
security-tracker.debian.org/tracker/CVE-2022-42703
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1.7 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:S/C:N/I:N/A:P
0.0004 Low
EPSS
Percentile
5.8%